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From: Gleb Natapov <gleb@redhat.com>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
	Avi Kivity <avi@redhat.com>,
	seabios@seabios.org, kvm@vger.kernel.org
Subject: Re: [PATCH] tsc: use kvmclock for calibration
Date: Mon, 13 Aug 2012 13:46:11 +0300	[thread overview]
Message-ID: <20120813104611.GW3341@redhat.com> (raw)
In-Reply-To: <5028D8D7.7090407@redhat.com>

On Mon, Aug 13, 2012 at 12:37:11PM +0200, Gerd Hoffmann wrote:
>   Hi,
> 
> > Isnt pmtimer ioport usable? 14MHz.
> 
> Can give it a try.  14 MHz looks wrong though, apci.h says:
> 
> /* PM Timer ticks per second (HZ) */
> #define PM_TIMER_FREQUENCY  3579545
> 
> Is this fixed?  Or hardware specific?
> 
3.579545 MHz clock required by ACPI spec.

--
			Gleb.

  reply	other threads:[~2012-08-13 10:46 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-09 11:57 [PATCH] tsc: use kvmclock for calibration Gerd Hoffmann
2012-08-09 12:53 ` Avi Kivity
2012-08-09 13:25   ` [SeaBIOS] " Fred .
2012-08-09 13:57   ` Gerd Hoffmann
2012-08-09 14:01     ` Avi Kivity
2012-08-09 14:05       ` Avi Kivity
2012-08-09 14:12         ` Gerd Hoffmann
2012-08-09 14:17           ` Avi Kivity
2012-08-09 14:18       ` Gerd Hoffmann
2012-08-09 14:20         ` Avi Kivity
2012-08-09 19:02           ` Marcelo Tosatti
2012-08-12 10:56             ` Avi Kivity
2012-08-09 19:09       ` Marcelo Tosatti
2012-08-10  7:18         ` Gleb Natapov
2012-08-10  7:30           ` Gleb Natapov
2012-08-10  8:10         ` Gerd Hoffmann
2012-08-10 21:26           ` Marcelo Tosatti
2012-08-13 10:37             ` Gerd Hoffmann
2012-08-13 10:46               ` Gleb Natapov [this message]
2012-08-13 12:55                 ` [SeaBIOS] " Fred .
2012-08-12  9:00           ` Avi Kivity
2012-08-09 18:59   ` Marcelo Tosatti
2012-08-12  9:01     ` Avi Kivity

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